Answer:
[tex]OB=\sqrt[]{3^2+4^2}=5[/tex][tex]OC=\sqrt[]{4^2+3^3}=5[/tex][tex]OD=\sqrt[]{2^2+\sqrt[]{21}^2}=5[/tex]
Explanation:
The length of the lines mentioned can be found using the distance formula
which says
[tex]length=\sqrt[]{(x_1-x_0)^2+(y_1-y_0)^2}[/tex]
where (x0,y0) and (x1,y1) are any two points.
Now in our case one fixed point is the centre of the circle and so w
